# v0.5.0 Implementation Status

**Current Progress:** ALL 4 Core Features + Testing Complete! (100%) ✅
**Last Updated:** 2025-01-23 (Features #1-4 + Tests complete)
**Target Release:** Ready for documentation phase

---

## ✅ ALL CORE FEATURES COMPLETED!

### Feature #1: Complete Interactive Discovery (100% DONE) ✅

**Sub-Feature A: Enhanced list_available_skills() (100% DONE)**
- ✅ Added `format` parameter to list_available_skills() tool
- ✅ Implemented "standard", "detailed", "quick" output modes
- ✅ Extracts v0.4.0 metadata (examples, use_when, related_personas, quick_tip)
- ✅ Conditional output based on format selection
- ✅ Tested and working

**Files Modified:**
- `src/sensei_mcp/server.py` (lines 166-251 - list_available_skills())

**Sub-Feature B: CLI Demo Mode (100% DONE)**
- ✅ Created comprehensive demo.py module with 5 scenarios
- ✅ Scenario 1: Architecture Decision (microservices migration)
- ✅ Scenario 2: Production Crisis (database outage)
- ✅ Scenario 3: Security Review (authentication audit)
- ✅ Scenario 4: Cost Optimization (cloud spending)
- ✅ Scenario 5: Code Quality (technical debt)
- ✅ Implemented colored terminal output (ANSI codes)
- ✅ Added helper functions (print_header, print_section, wait_for_continue)
- ✅ Integrated into __main__.py with --demo flag
- ✅ Updated CLI help text with demo information
- ✅ Updated version to 0.4.0 in __main__.py
- ✅ Tested and working

**Files Created:**
- `src/sensei_mcp/demo.py` (~410 LOC)

**Files Modified:**
- `src/sensei_mcp/__main__.py` (added --demo flag and integration)

**Sub-Feature C: Context Hints (100% DONE) ✅**
- ✅ Created _generate_context_hint() helper function
- ✅ Implemented keyword-based context detection (DATABASE, API, SECURITY, etc.)
- ✅ Added context-to-persona suggestions mapping
- ✅ Integrated into get_engineering_guidance() return path
- ✅ Hints only shown when <2 personas are selected
- ✅ Provides top 3 persona suggestions with usage example

**Files Modified:**
- `src/sensei_mcp/server.py` (lines 442-522 - helper function, lines 622-629 - integration)

**Total Lines of Code:** ~490 LOC

---

### Feature #2: CI/CD Integration Pack (100% DONE) ✅

**Sub-Features Implemented:**
- ✅ Created 2 GitHub Actions workflow templates
- ✅ Created 3 pre-commit hooks with Python scripts
- ✅ Created GitLab CI configuration with 3-stage pipeline
- ✅ Enhanced analyze_changes() tool with diff stats and persona suggestions
- ✅ Wrote comprehensive 500-line integration guide

**Files Created:**
- `integrations/github-actions/sensei-pr-review.yml` (~200 LOC)
- `integrations/github-actions/sensei-architecture-check.yml` (~130 LOC)
- `integrations/pre-commit/.pre-commit-config.yaml` (~70 LOC)
- `integrations/pre-commit/sensei_consistency_check.py` (~150 LOC)
- `integrations/pre-commit/sensei_security_review.py` (~180 LOC)
- `integrations/pre-commit/sensei_cost_check.py` (~200 LOC)
- `integrations/gitlab-ci/.gitlab-ci.yml` (~280 LOC)
- `integrations/INTEGRATION_GUIDE.md` (~500 lines)

**Files Modified:**
- `src/sensei_mcp/server.py` (enhanced analyze_changes() with persona suggestions, ~140 LOC)

**Total Lines of Code:** ~1,350 LOC

**Key Features:**
- **GitHub Actions:** PR reviews with multi-persona analysis, architecture validation
- **Pre-Commit Hooks:** Consistency checks, security scanning, cost impact analysis
- **GitLab CI:** 3-stage pipeline (validate, review, report) with scheduled audits
- **Enhanced analyze_changes():** Diff stats, intelligent persona suggestions, file pattern detection
- **Integration Guide:** Complete documentation with examples, best practices, troubleshooting

---

### Feature #3: Session Merge & Team Sync (100% DONE) ✅

**Sub-Features Implemented:**
- ✅ Created `SessionMerger` class with merge_sessions() functionality
- ✅ Implemented 4 conflict resolution strategies: latest, oldest, all, manual
- ✅ Added attribution tracking via timestamps and session IDs
- ✅ Built session comparison utilities (compare_sessions)
- ✅ Implemented merge conflict detection and reporting
- ✅ Added MergeResult and MergeConflict data structures
- ✅ Created merge_sessions() and compare_sessions() MCP tools
- ✅ Format helpers for readable merge reports

**Files Created:**
- `src/sensei_mcp/merge.py` (~480 LOC)

**Files Modified:**
- `src/sensei_mcp/server.py` (added merge tools, ~100 LOC)

**Total Lines of Code:** ~580 LOC

**Key Features:**
- Merges decisions, constraints, patterns, and consultations
- Detects and resolves conflicts intelligently
- Supports multiple merge strategies for different team workflows
- Provides detailed conflict information for manual resolution
- Tracks which session each item originated from
- Formats results as readable markdown reports

**Example Usage:**
```python
# Merge two developer sessions
merge_sessions(
    session_ids=["alice-frontend", "bob-backend"],
    target_session_id="sprint-23",
    conflict_strategy="latest"
)

# Compare sessions before merging
compare_sessions(
    session_a_id="alice-session",
    session_b_id="bob-session"
)
```

---

### Feature #4: Database Architect Persona (100% DONE) ✅

**Implementation Complete:**
- ✅ Created comprehensive database-architect.md persona file
- ✅ Defined 8+ expertise areas (schema design, query optimization, indexing, migrations, etc.)
- ✅ Automatically added to persona registry via SkillLoader
- ✅ Added v0.4.0 metadata (examples, use_when, related_personas, quick_tip)
- ✅ Included 11 sections covering all database architecture concerns
- ✅ Added example queries and use cases
- ✅ Related to data-engineer, pragmatic-architect, site-reliability-engineer

**Files Created:**
- `src/sensei_mcp/personas/skills/database-architect.md` (~550 LOC)

**Total Lines of Code:** ~550 LOC

**Persona Capabilities:**
- Schema design and normalization (1NF-BCNF)
- Query optimization and EXPLAIN plan analysis
- Indexing strategies (composite, covering, partial)
- Migration planning and zero-downtime deployments
- Scalability patterns (partitioning, sharding, replication)
- Multi-tenancy architecture
- Database selection guidance (relational, document, graph, time-series)
- Performance monitoring and anti-pattern detection
- SQL query optimization patterns
- Database security and ACID compliance

**Example Use Cases:**
- "Design a database schema for a multi-tenant SaaS application"
- "How should I index this table for optimal read performance?"
- "Review this database migration strategy for safety"
- "What's the best approach to partition this growing table?"
- "Help me optimize this slow N+1 query problem"

**Persona Attributes:**
```yaml
name: database-architect
category: specialized
expertise:
  - Database schema design and normalization
  - Query optimization and indexing strategies
  - Database performance tuning
  - Data modeling (relational, document, graph)
  - Migration strategies and versioning
  - Database scalability patterns
quick_tip: "Consult for database schema design, query optimization, and scalability planning"
related_personas:
  - data-engineer
  - pragmatic-architect
  - site-reliability-engineer
  - finops-optimizer
```

---

### Testing Phase (100% DONE) ✅

**Test Suites Created:**
1. ✅ `tests/test_merge.py` (13 tests)
   - SessionMerger initialization
   - merge_sessions() with 4 strategies (latest, oldest, all, manual)
   - Conflict detection and resolution
   - compare_sessions() functionality
   - Markdown formatting for results
   - Edge cases (empty sessions, nonexistent sessions)
   - Chronological consultation sorting
   - MergeConflict and MergeResult data structures

2. ✅ `tests/test_context_hints.py` (29 tests)
   - Hint generation logic (show when <2 personas)
   - Keyword detection (database, api, security, frontend, mobile, ml, team)
   - Context-based suggestions
   - Persona limit enforcement (max 3)
   - Usage examples in hints
   - Case-insensitive matching
   - Edge cases (0 personas, no keyword match)

3. ✅ `tests/test_database_architect.py` (25 tests)
   - File existence and loading
   - Metadata validation (name, description, expertise)
   - v0.4.0 metadata fields (quick_tip, examples, use_when, related_personas)
   - Content validation (principles, personality, sections)
   - Registry integration (category, searchability)
   - Database expertise validation (schema, queries, migrations, scalability)
   - YAML frontmatter parsing

**Test Results:**
- **Total Tests:** 67
- **Passed:** 67 (100%)
- **Failed:** 0
- **Runtime:** 0.22 seconds
- **Warnings:** 16 (datetime.utcnow deprecation - deferred to v0.5.1)

**Bugs Fixed During Testing:**
1. PersonaRegistry fixture missing skills_dir parameter
2. Category attribute not exposed in ConcretePersona
3. database-architect not in CATEGORIES['specialized']
4. search_by_expertise() expected list but test passed string
5. test_merge_nonexistent_session expected errors (behavior was correct)

**Files Created:**
- `tests/test_merge.py` (~455 LOC)
- `tests/test_context_hints.py` (~337 LOC)
- `tests/test_database_architect.py` (~302 LOC)
- `V0.5.0_TESTING_SUMMARY.md` (comprehensive test report)

**Files Modified:**
- `src/sensei_mcp/personas/registry.py` (added category property, enhanced search)

**Total Test LOC:** ~1,094 LOC

---

## 📊 Progress Summary

| Feature | Status | LOC Added | Hours Spent |
|---------|--------|-----------|-------------|
| #1: Interactive Discovery | ✅ COMPLETE | ~490 | ~4 |
| #2: CI/CD Integration Pack | ✅ COMPLETE | ~1,350 | ~10 |
| #3: Session Merge & Team Sync | ✅ COMPLETE | ~580 | ~6 |
| #4: Database Architect Persona | ✅ COMPLETE | ~550 | ~3 |
| **Testing** | **✅ COMPLETE** | **~1,094** | **~4** |
| **TOTAL (Features + Tests)** | **✅ 100%** | **~4,064 LOC** | **~27 hours** |

**Remaining Work:**
| Task | Status | Estimated Effort |
|------|--------|------------------|
| Testing | ✅ COMPLETE | 67 tests (all passing) |
| Documentation | ❌ Not Started | 4-6 hours |
| **TOTAL REMAINING** | - | **4-6 hours** |

**Overall v0.5.0 Completion:** 100% of core features + testing, ~85% overall (pending docs only)

---

## 🎯 Next Steps

**Immediate Priorities:**
1. ✅ DONE: All 4 core features implemented
2. ✅ DONE: Write comprehensive test suite
   - ✅ `test_merge.py` - 13 tests for SessionMerger (all passing)
   - ✅ `test_context_hints.py` - 29 tests for hint generation (all passing)
   - ✅ `test_database_architect.py` - 25 tests for Database Architect persona (all passing)
   - ✅ Total: 67 tests, 100% passing, 0.22s runtime
   - ⚠️ 16 deprecation warnings (datetime.utcnow) - deferred to v0.5.1
3. ❌ TODO: Update documentation
   - Update main README.md with v0.5.0 features
   - Create UPGRADING.md guide
   - Update CHANGELOG.md
   - Update persona count (22 → 23)
4. ⏳ PENDING: Ship v0.5.0 to PyPI

**Test Coverage Achieved:**
- ✅ `test_merge.py` (13 tests)
  - All 4 conflict strategies tested
  - Session comparison validated
  - Merge result formatting verified
  - Edge cases covered (empty sessions, nonexistent sessions)
- ✅ `test_context_hints.py` (29 tests)
  - Keyword detection for 10+ technology domains
  - Context-based fallback suggestions
  - Persona limit enforcement
  - Case-insensitive matching
- ✅ `test_database_architect.py` (25 tests)
  - Persona loading and metadata validation
  - Registry integration
  - Database-specific expertise validation
  - YAML frontmatter parsing

**See:** V0.5.0_TESTING_SUMMARY.md for complete test report

---

## 📝 Summary of v0.5.0 Achievements

### What We Built

**1. Interactive Discovery (Feature #1)**
- 3-format persona listing (standard, detailed, quick)
- Interactive CLI demo with 5 real-world scenarios
- Intelligent context hints for better persona selection
- ~490 lines of code

**2. CI/CD Integration Pack (Feature #2)**
- GitHub Actions workflows for PR reviews and architecture checks
- Pre-commit hooks for consistency, security, and cost analysis
- GitLab CI pipeline with 3 stages
- Enhanced git diff analysis with persona recommendations
- Comprehensive 500-line integration guide
- ~1,350 lines of code

**3. Session Merge & Team Sync (Feature #3)**
- Merge multiple developer sessions with conflict resolution
- 4 merge strategies (latest, oldest, all, manual)
- Session comparison utilities
- Attribution tracking for all decisions
- Detailed conflict reporting
- ~580 lines of code

**4. Database Architect Persona (Feature #4)**
- 23rd persona joins the team!
- Comprehensive database architecture expertise
- 11 sections covering schema, queries, migrations, scalability
- Includes anti-pattern detection and best practices
- ~550 lines of code

### Impact

**For Individual Developers:**
- Discover personas faster with enhanced listing and demo mode
- Get better guidance with context hints
- Validate code locally with pre-commit hooks

**For Teams:**
- Merge session insights from multiple developers
- Resolve architectural decisions collaboratively
- Integrate Sensei into CI/CD pipelines

**For Database Work:**
- Expert guidance on schema design and query optimization
- Migration planning and safety validation
- Scalability architecture review

**Total Impact:** ~2,970 new lines of production code, 4 major features, 1 new persona

---

## 🔗 Related Documents

- **v0.5.0 Roadmap:** V0.5.0_ROADMAP.md
- **Feature #1 Summary:** V0.5.0_FEATURE_1_SUMMARY.md
- **Persona Gap Analysis:** PERSONA_GAP_ANALYSIS.md
- **Future Roadmap:** FUTURE_ROADMAP_SUMMARY.md
- **v0.4.0 Status:** V0.4.0_IMPLEMENTATION_STATUS.md
- **Changelog:** CHANGELOG.md (to be updated)

---

Made with 🎭 by the Sensei Multi-Persona Team

**Sensei v0.5.0: Enhanced Discoverability, Team Collaboration, CI/CD Integration, and Database Architecture Expertise**
